"I think we're all Jock Tamson's Bairns and the way your granny, my granny and the people on the banks of the Nile today do their washing was in exactly the same way, rubbing it up against a stone or a washboard.

"So people can find their own routes by looking at the material that we've filmed.

"I just want to encourage more and more people to speak to their granny before they disappear and it's only people who are part of that culture who are the best people to sustain it."